Cognomen 卢贝 (Loubet 
, 卢贝) , in all the world, is quite a common last name. The last name 卢贝 is habitual in France, where it is quite a rare surname, Argentina, where it is a rare surname, and the Democratic Republic of the Congo. Measured by absolute frequency, the name is most common in France, Brazil, and Mexico. Very seldom, 卢贝 is the forename as well as the last name.